.button {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: bold;
    margin-right: 1.5rem;
    text-align: center;
    text-decoration: none;
    color: #fff;
    background-color: #4CAF50;
    border: none;
    border-radius: 4px;
    box-shadow: 0px 2px 6px rgba(0, 0, 0, 0.3);
}

.button:hover {
    background-color: #4CAF50;
    box-shadow: 0px 4px 8px #45a049;
    transform: translate(0px, -2px); /* 悬停时微微抬升 */
}

.button:active {
    background-color: #3e8e41;
    box-shadow: 0px 1px 3px rgba(0, 0, 0, 0.3);
    transform: translate(0px, 1px); /* 点击时稍微下沉 */
}
